Add this to your list: https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_every_ios_device_in_facility/ https://www.reddit.com/r/sysadmin/comments/9

Add this to your list: https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabled_every_ios_device_in_facility/ https://www.reddit.com/r/sysadmin/comments/9mk2o7/mri_disabl... spoiler: Helium messes with MEMS oscillator, causing iPhones to stop working (the clock signal is basically flatlined)